code.delx.au - pulseaudio/blob - src/pulse/scache.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7
   8   PulseAudio is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU Lesser General Public License as published
  10   by the Free Software Foundation; either version 2 of the License,
  11   or (at your option) any later version.
  12
  13   PulseAudio is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with PulseAudio; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21   USA.
  22 ***/
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include <pulsecore/pstream-util.h>
  33 #include <pulsecore/macro.h>
  34
  35 #include "internal.h"
  36
  37 #include "scache.h"
  38
  39 int pa_stream_connect_upload(pa_stream *s, size_t length) {
  40     pa_tagstruct *t;
  41     uint32_t tag;
  42
  43     pa_assert(s);
  44     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  45
  46     PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
  47     PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
  48
  49     pa_stream_ref(s);
  50
  51     s->direction = PA_STREAM_UPLOAD;
  52     s->flags = 0;
  53
  54     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  55
  56     if (s->context->version < 13)
  57         pa_tagstruct_puts(t, pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME));
  58
  59     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  60     pa_tagstruct_put_channel_map(t, &s->channel_map);
  61     pa_tagstruct_putu32(t, length);
  62
  63     if (s->context->version >= 13) {
  64         pa_init_proplist(s->proplist);
  65         pa_tagstruct_put_proplist(t, s->proplist);
  66     }
  67
  68     pa_pstream_send_tagstruct(s->context->pstream, t);
  69     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  70
  71     pa_stream_set_state(s, PA_STREAM_CREATING);
  72
  73     pa_stream_unref(s);
  74     return 0;
  75 }
  76
  77 int pa_stream_finish_upload(pa_stream *s) {
  78     pa_tagstruct *t;
  79     uint32_t tag;
  80
  81     pa_assert(s);
  82     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  83
  84     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  85     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  86
  87     pa_stream_ref(s);
  88
  89     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  90     pa_tagstruct_putu32(t, s->channel);
  91     pa_pstream_send_tagstruct(s->context->pstream, t);
  92     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
  93
  94     pa_stream_unref(s);
  95     return 0;
  96 }
  97
  98 static void play_sample_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
  99     pa_operation *o = userdata;
 100     int success = 1;
 101     uint32_t idx = PA_INVALID_INDEX;
 102
 103     pa_assert(pd);
 104     pa_assert(o);
 105     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 106
 107     if (!o->context)
 108         goto finish;
 109
 110     if (command != PA_COMMAND_REPLY) {
 111         if (pa_context_handle_error(o->context, command, t) < 0)
 112             goto finish;
 113
 114         success = 0;
 115     } else if ((o->context->version >= 13 && pa_tagstruct_getu32(t, &idx) < 0) ||
 116                !pa_tagstruct_eof(t)) {
 117         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 118         goto finish;
 119     } else if (o->context->version >= 13 && idx == PA_INVALID_INDEX)
 120         success = 0;
 121
 122     if (o->callback) {
 123         pa_context_success_cb_t cb = (pa_context_success_cb_t) o->callback;
 124         cb(o->context, success, o->userdata);
 125     }
 126
 127 finish:
 128     pa_operation_done(o);
 129     pa_operation_unref(o);
 130 }
 131
 132 static void play_sample_with_proplist_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
 133     pa_operation *o = userdata;
 134     uint32_t idx;
 135
 136     pa_assert(pd);
 137     pa_assert(o);
 138     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 139
 140     if (!o->context)
 141         goto finish;
 142
 143     if (command != PA_COMMAND_REPLY) {
 144         if (pa_context_handle_error(o->context, command, t) < 0)
 145             goto finish;
 146
 147         idx = PA_INVALID_INDEX;
 148     } else if (pa_tagstruct_getu32(t, &idx) < 0 ||
 149                !pa_tagstruct_eof(t)) {
 150         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 151         goto finish;
 152     }
 153
 154     if (o->callback) {
 155         pa_context_play_sample_cb_t cb = (pa_context_play_sample_cb_t) o->callback;
 156         cb(o->context, idx, o->userdata);
 157     }
 158
 159 finish:
 160     pa_operation_done(o);
 161     pa_operation_unref(o);
 162 }
 163
 164
 165 pa_operation *pa_context_play_sample(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_context_success_cb_t cb, void *userdata) {
 166     pa_operation *o;
 167     pa_tagstruct *t;
 168     uint32_t tag;
 169
 170     pa_assert(c);
 171     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 172
 173     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 174     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 175     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 176
 177     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 178
 179     if (!dev)
 180         dev = c->conf->default_sink;
 181
 182     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 183     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 184     pa_tagstruct_puts(t, dev);
 185     pa_tagstruct_putu32(t, volume);
 186     pa_tagstruct_puts(t, name);
 187
 188     if (c->version >= 13) {
 189         pa_proplist *p = pa_proplist_new();
 190         pa_tagstruct_put_proplist(t, p);
 191         pa_proplist_free(p);
 192     }
 193
 194     pa_pstream_send_tagstruct(c->pstream, t);
 195     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 196
 197     return o;
 198 }
 199
 200 pa_operation *pa_context_play_sample_with_proplist(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_proplist *p, pa_context_play_sample_cb_t cb, void *userdata) {
 201     pa_operation *o;
 202     pa_tagstruct *t;
 203     uint32_t tag;
 204
 205     pa_assert(c);
 206     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 207
 208     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 209     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 210     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 211     PA_CHECK_VALIDITY_RETURN_NULL(c, p, PA_ERR_INVALID);
 212     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
 213
 214     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 215
 216     if (!dev)
 217         dev = c->conf->default_sink;
 218
 219     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 220     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 221     pa_tagstruct_puts(t, dev);
 222     pa_tagstruct_putu32(t, volume);
 223     pa_tagstruct_puts(t, name);
 224     pa_tagstruct_put_proplist(t, p);
 225
 226     pa_pstream_send_tagstruct(c->pstream, t);
 227     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_with_proplist_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 228
 229     return o;
 230 }
 231
 232 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 233     pa_operation *o;
 234     pa_tagstruct *t;
 235     uint32_t tag;
 236
 237     pa_assert(c);
 238     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 239
 240     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 241     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 242
 243     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 244
 245     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 246     pa_tagstruct_puts(t, name);
 247
 248     pa_pstream_send_tagstruct(c->pstream, t);
 249     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 250
 251     return o;
 252 }